The history of the star formation rate in the local disk

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Origin, Formation, Evolution, Age, And Star Formation, Chemical Composition And Chemical Evolution, Star Formation

Scientific paper

We present a method to obtain the history of the local star formation rate (SFR) by using the G dwarf metallicity distribution. The method is tested by simulations and applied to the solar neighborhood. We find strong evidences of two events of star formation: a big burst 8 Gyr ago, and a lull 2-3 Gyr ago. We also find evidences of a present star formation burst. These events agree with some previous determinations of the history of the local SFR.

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